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Interrupt
An interrupt is a signal that is sent by a device connected to a computer.
The operating system receives this signal and then has to decide what it will do next. Until then, the system is stopped.
If you consider that interrupts are constantly being sent (for example, each time a key is pressed), the actual handling of interrupts has to be very fast.
I would like to make special mention of interrupt 13 here, not only because it was requested by a reader, but because it is very important for everyone else as well.
This interrupt is used by the BIOS to control the hard drive. The problem with using this method to start the hard drive is that only the first 2 gigabytes on the hard drive can be "recognised" by the BIOS.
For this reason, the boot partition must always be within this limit.
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